Multiphase detergent tablet

A method of using a multiphase detergent tablet, the multiphase detergent tablet comprising:

• a first detergent layer with at least one contact-unsuitable component, including caustic, irritant, toxic or hygroscopic components,
• a second detergent layer to cover a first surface of the first detergent layer, wherein the second detergent layer contains no contact-unsuitable components, including caustic, toxic or hygroscopic components, and
• a third detergent layer to cover a second surface of the first detergent layer, wherein the third detergent layer contains no contact-unsuitable components, including caustic, toxic or hygroscopic components,
• wherein an uncovered surface of the first detergent layer that is not covered by the second detergent layer or the third detergent layer is provided with a water-soluble protective film,
• wherein a surface of the second detergent layer is not provided with the water-soluble protective film, and
• wherein a surface of the third detergent layer is not provided with the water-soluble protective film,
• the method comprising:
• cleaning kitchen appliances with the multiphase detergent tablet.

A method of manufacturing a multiphase detergent tablet, comprising the step of manufacturing the multiphase detergent tablet, the multiphase detergent tablet comprising:

• a first detergent layer with at least one contact-unsuitable component, including caustic, irritant, toxic or hygroscopic components,
• a second detergent layer to cover a first surface of the first detergent layer, wherein the second detergent layer contains no contact-unsuitable components, including caustic, toxic or hygroscopic components, and
• a third detergent layer to cover a second surface of the first detergent layer, wherein the third detergent layer contains no contact-unsuitable components, including caustic, toxic or hygroscopic components;
• and
• applying a liquid coating mass on an uncovered surface of the first detergent layer that is not covered by the second detergent layer or the third detergent layer, in order to form a water-soluble protective film,
• wherein a surface of the second detergent layer is not provided with the water-soluble protective film, and
• wherein a surface of the third detergent layer is not provided with the water-soluble protective film.